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2026-08-19 - 20:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Aug 19, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29628213171,6sleep30-21swapper/307:07:163
296722128109,12sleep00-21swapper/007:07:500
296492115103,7sleep20-21swapper/207:07:312
29636210595,7sleep10-21swapper/107:07:231
152612640,0sleep00-21swapper/011:17:250
78812630,1sleep27879-21ssh09:10:172
201382620,0sleep30-21swapper/311:05:183
236732590,0sleep00-21swapper/010:25:180
321922570,0sleep20-21swapper/210:30:002
148702570,0sleep00-21swapper/010:50:130
107342570,0sleep010-21rcuc/009:10:200
65432560,0sleep10-21swapper/111:27:511
114882560,0sleep10-21swapper/110:48:021
324782550,0sleep10-21swapper/110:43:091
179092550,0sleep338-21rcuc/310:10:073
84932540,0sleep10-21swapper/111:56:191
20722540,0sleep20-21swapper/210:58:002
1277925046,3sleep30-21swapper/307:46:333
2151624744,2sleep30-21swapper/308:52:183
1455924744,2sleep30-21swapper/308:17:543
739024239,2sleep30-21swapper/307:44:423
2202224137,3sleep30-21swapper/307:26:273
2427224037,2sleep30-21swapper/307:59:463
2637623834,2sleep30-21swapper/312:32:393
3183023733,3sleep30-21swapper/308:35:073
1434823630,3sleep30-21swapper/310:07:273
1926323429,2sleep30-21swapper/311:33:553
1611123430,3sleep30-21swapper/308:49:483
1450723428,3sleep30-21swapper/311:03:433
310423329,3sleep30-21swapper/307:13:573
3154723229,2sleep30-21swapper/308:34:233
3001699318,10cyclictest0-21swapper/210:15:142
3001699304,4cyclictest0-21swapper/211:27:572
3001699300,4cyclictest0-21swapper/211:15:492
30011993012,17cyclictest0-21swapper/110:59:511
3001199300,29cyclictest0-21swapper/111:30:111
908322926,2sleep30-21swapper/308:14:403
2099622925,2sleep30-21swapper/312:02:153
3001699282,20cyclictest0-21swapper/210:41:592
3001699280,17cyclictest0-21swapper/212:15:132
3001699271,25cyclictest0-21swapper/208:48:462
3001699270,26cyclictest0-21swapper/211:36:252
3001699270,26cyclictest0-21swapper/209:54:552
3001699270,26cyclictest0-21swapper/207:27:552
3001699270,22cyclictest0-21swapper/210:39:512
3001699270,1cyclictest0-21swapper/210:22:162
3001199270,26cyclictest0-21swapper/109:10:381
2975322723,3sleep30-21swapper/308:02:473
86722621,3sleep30-21swapper/309:05:113
391022621,3sleep30-21swapper/312:36:243
30016992618,7cyclictest755-21snmpd08:30:512
30016992618,7cyclictest755-21snmpd08:25:252
30016992617,8cyclictest755-21snmpd08:05:512
3001699261,23cyclictest0-21swapper/210:32:582
3001699261,12cyclictest0-21swapper/212:00:152
3001699260,25cyclictest0-21swapper/212:07:522
3001699260,25cyclictest0-21swapper/211:04:542
3001699260,23cyclictest0-21swapper/211:20:392
3001699260,21cyclictest0-21swapper/212:34:112
3001699260,21cyclictest0-21swapper/212:29:372
3001699260,21cyclictest0-21swapper/210:00:152
3001699260,21cyclictest0-21swapper/209:21:432
3001699260,16cyclictest0-21swapper/207:40:122
3001699260,15cyclictest0-21swapper/212:35:202
3001699260,15cyclictest0-21swapper/210:52:082
3000599260,25cyclictest0-21swapper/012:15:130
2792722623,2sleep30-21swapper/307:30:433
166722622,3sleep30-21swapper/307:39:403
3001699255,19cyclictest0-21swapper/209:38:562
30016992518,6cyclictest755-21snmpd08:51:082
30016992516,8cyclictest755-21snmpd09:02:592
3001699250,24cyclictest0-21swapper/209:40:562
3001699250,20cyclictest0-21swapper/209:57:462
3001699250,16cyclictest0-21swapper/209:32:482
3001699250,14cyclictest0-21swapper/209:16:532
30011992517,7cyclictest0-21swapper/109:48:521
3001199250,24cyclictest0-21swapper/109:53:451
3000599250,24cyclictest0-21swapper/012:23:250
3000599250,24cyclictest0-21swapper/010:56:300
3000599250,24cyclictest0-21swapper/010:22:570
3000599250,24cyclictest0-21swapper/009:56:370
1503922520,2sleep30-21swapper/310:20:453
1496022520,2sleep30-21swapper/309:25:293
3001699241,17cyclictest19670-21ssh09:29:132
3001699241,14cyclictest0-21swapper/211:05:112
3001699240,23cyclictest0-21swapper/211:13:302
3001699240,18cyclictest0-21swapper/211:55:162
3001699240,14cyclictest0-21swapper/209:49:112
30011992420,3cyclictest0-21swapper/112:15:001
3001199241,22cyclictest0-21swapper/111:49:021
3001199240,23cyclictest0-21swapper/112:35:091
3001199240,23cyclictest0-21swapper/111:42:371
3001199240,23cyclictest0-21swapper/110:54:011
3001199240,23cyclictest0-21swapper/110:38:341
3001199240,23cyclictest0-21swapper/109:57:101
30005992415,8cyclictest0-21swapper/010:48:100
30005992415,8cyclictest0-21swapper/010:11:320
30005992415,8cyclictest0-21swapper/010:02:060
3000599240,23cyclictest0-21swapper/011:56:490
3000599240,23cyclictest0-21swapper/011:31:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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